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Vulnerability record · CVE-2024-29371 · published 17 December 2025

CVE-2024-29371: Jose4j project jose4j vulnerability

JJose4j Project · Jose4j

In jose4j before 0.9.6, an attacker can cause a Denial-of-Service (DoS) condition by crafting a malicious JSON Web Encryption (JWE) token with an exceptionally high compression ratio. When this token is processed by the server, it results in significant memory allocation and processing time during decompression.

7.5 CVSS 3.1 High EPSS 0.26% · top 84.4% CWE-1259 · CWE-1259
7.5CVSS 3.1 base score
0.26%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In jose4j before 0.9.6, an attacker can cause a Denial-of-Service (DoS) condition by crafting a malicious JSON Web Encryption (JWE) token with an exceptionally high compression ratio. When this token is processed by the server, it results in significant memory allocation and processing time during decompression.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bitbucket.org/b_c/jose4j/issues/220/vuln-zip-bomb-attack ExploitIssue TrackingMitigation
https://bitbucket.org/b_c/jose4j/issues/220/vuln-zip-bomb-attack ExploitIssue TrackingMitigation

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2023-31582Jose4j project jose4j vulnerabilityjose4j before v0.9.3 allows attackers to set a low iteration count of 1000 or less.EPSS 0.64%6.5CVE-2023-51775Jose4j project jose4j uncontrolled resource consumption vulnerabilityThe jose4j component before 0.9.4 for Java allows attackers to cause a denial of service (CPU consumption) via a large p2c (aka PBES2 Count) value.EPSS 0.87%

Source: NIST National Vulnerability Database (record CVE-2024-29371), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.